Не секрет, что стейт-машины среди нас. Они буквально повсюду, от UI до сетевого стека. Иногда сложные, иногда простые. Иногда security-related, иногда не очень. Но, зачастую, довольно увлекательны для изучения :) Сегодня я хочу рассказать об одном забавном случае с PostgreSQL — CVE-2018-10915, которая позволяла повышать привилегии до superuser. Читать дальше →
A vulnerability was found in libpq, the default PostgreSQL client library where libpq failed to properly reset its internal state between connections. If an affected version of libpq was used with "host" or "hostaddr" connection parameters from untrusted input, attackers could bypass client-side connection security features, obtain access to higher privileged connections or potentially cause other impact through SQL injection, by causing the PQescape() functions to malfunction.…
The shadow-paging feature in Xen through 4.8.x mismanages page references and consequently introduces a race condition, which allows guest OS users to obtain Xen privileges, aka XSA-219.
A vulnerability has been identified in TIA Administrator (All versions < V1.0 SP1 Upd1). The integrated configuration web application (TIA Administrator) allows to execute certain application commands without proper authentication. The vulnerability could be exploited by an attacker with local access to the affected system. Successful exploitation requires no privileges and no user interaction. An attacker could use the vulnerability to compromise confidentiality and integrity and availability of the…